// Copyright 2008 Chris Varley (http://www.contractdriven.net/)
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

using ContractDriven.CommonAssertions;
using NUnit.Framework;
using Assert = NUnit.Framework.Assert;

namespace ContractDrivenTests.CommonAssertions
{
    [TestFixture, Description("Tests for EmptyStringAssertion Class")]
    public class EmptyStringAssertionTest
    {

        [Test]
        public void EmptyStringAssertionConstructorTest()
        {
            var emptyStringAssertion = new EmptyStringAssertion("test");
			Assert.IsNotNull(emptyStringAssertion);
		}

        #region Eval Method Tests

        [Test]
        public void EvalTest()
        {
            var emptyStringAssertion = new EmptyStringAssertion("a test string");
            var result = emptyStringAssertion.Eval();
            const bool expected = true;
            Assert.AreEqual(expected, result, "EmptyStringAssertion.Eval failed. String 'a test string' was incorrectly evaluated as empty.");
        }

        [Test]
        public void EvalEmptyStringTest()
        {
            var emptyStringAssertion = new EmptyStringAssertion(string.Empty);
            var result = emptyStringAssertion.Eval();

            const bool expected = false;
            Assert.AreEqual(expected, result, "EmptyStringAssertion.Eval failed. string.Empty was incorrectly evaluated as not equal to string.Empty :-?");
        }

        #endregion

    }
}
